Honor Device Co., Ltd.

Huawei Technologies Co., Limited

Hantao Cui

Zuochao Zhang

Tao Shao

Yan Mo

Zirong Wang

Yu Wang

Guangyuan Li

Weilong Hou

Bin Chen

Yang Yang

Guoqiao Chen

Congchao Zhu

Dong Zhang

Rui Chen

Bin Xiao

Gang Chen

Jie Qiong Lin

Jirun Xu

Wei Ji

Shuhong Hu

Hongjie Wang

LingLi Chang

Shuai Feng

Wei Xi

Zhibing Ding

Yilun Li

Zhiwu Xia

Xiaochao Ren

Chenqing Wang

Pengpeng Zhang

Embodiments of this application provide a video processing method and an electronic device, and relate to the field of terminal technologies. When recording a video, the electronic device collects image frames based on a first frame rate, and generates an original video file; automatically performs frame interpolation or frame extraction processing on image frames in the original video file that include a specified action; and plays a processed video file based on the first frame rate.

Video processing method and electronic device

In accordance with an embodiment, a method of operating an electronic device comprising a screen, a first camera, and a second camera, includes: detecting that a zoom ratio gradually changes within a first ratio range, wherein the zoom ratio in the first ratio range is less than an optical zoom ratio of the second camera, and a ratio difference between the zoom ratio within the first ratio range and the optical zoom ratio of the second camera is less than a first value; cropping an image captured by the first camera to obtain a preview image whose field of view (FOV) size gradually changes; and displaying on the screen, the preview image whose FOV size gradually changes.

Photographing method and electronic device

Embodiments of this application relate to the technical field of video shooting, and provide a video processing method and apparatus, an electronic device, and a storage medium. The video processing method includes: determining one video storage resolution; determining one video style template; obtaining a video shot through a camera lens; snapping a corresponding image in the video as a snapped image in response to a snapping instruction; processing the video by using a LOG curve; processing the snapped image by using the LOG curve; converting a LOG video into a determined video storage resolution if the determined video storage resolution is less than a preset resolution, and processing the LOG video based on a LUT; and processing a LOG-based snapped image based on the LUT, where a resolution of the snapped image is equal to the preset resolution.

Video processing method and apparatus, electronic device, and storage medium

Embodiments of this application provide a logarithmic curve generation method, a device, and a storage medium. The method includes: determining a dynamic range of a photosensitive element of a mobile device and a coding depth of the mobile device; obtaining a plurality of numerical points within the dynamic range, where each numerical point includes a stop within the dynamic range and a corresponding code value; and performing curve fitting based on the plurality of numerical points to obtain a log curve, where when the mobile device shoots in a log mode, the log curve is used to convert, into a code value, a raw signal that is output by the photosensitive element and that indicates brightness.

Logarithmic curve generation method, device, and storage medium

Embodiments of this application relate to the technical field of video shooting, and provide a video processing method and apparatus, an electronic device, and a storage medium. The video processing method includes: determining one video style template among a plurality of video style templates, where each video style template is corresponding to a preset look up table LUT; obtaining a video shot through a camera lens; processing the video shot through the camera lens by using a logarithm LOG curve corresponding to a current photosensitivity ISO of the camera lens, to obtain a LOG video; and processing the LOG video based on a LUT corresponding to the determined video style template, to obtain a video corresponding to the determined video style template.

Embodiments of this application relate to the technical field of video shooting, and provide a video processing method and apparatus, an electronic device, and a storage medium. The video processing method includes: determining one video style template among a plurality of video style templates, where each video style template is corresponding to a LUT; obtaining a video shot through a camera lens; and processing the video shot through the camera lens by using a logarithm LOG curve corresponding to a current photosensitivity ISO of the camera lens, to obtain a LOG video.

This application relates to the field of photographing technologies, and discloses an image processing method and an electronic device, so as to dynamically adjust LUTs in a process of photographing or visual recording, and enrich display effects of photographing or visual recording. The electronic device obtains a first image, where the first image is an image captured by a camera of the electronic device, and the first image includes a first shot object; the electronic device determines a first scenario corresponding to the first image, where the first scenario is used to identify a scenario corresponding to the first shot object; the electronic device determines a first LUT based on the first scenario; and the electronic device processes the first image based on the first LUT to obtain a second image, and displays the second image, where a display effect of the second image corresponds to the first LUT.

Image processing method and electronic device for improving display effects in photographing or visual recording

Embodiments of this application provide a video processing method and apparatus. The method includes: receiving, by a first device, an operation of enabling photographing in a movie mode, where obtaining, by the first device, a first image sequence based on a camera in response to the operation of enabling photographing; performing, by the first device, encoding based on the first image sequence and first dynamic metadata corresponding to the first brightness scene, to obtain a first HDR video; obtaining, by a second device, the first HDR video from the first device; adjusting, by the second device, a brightness of the first HDR video based on a preset brightness, to obtain a second HDR video; and playing, by the second device, the second HDR video.

Video processing method and apparatus

A video processing method and apparatus, an electronic device, and a storage medium. The video processing method includes: in a first zoom mode or a second zoom mode, obtaining a video shot through a camera lens; in the first zoom mode, processing a video image of a first exposure frame by using a super-resolution algorithm; in the first zoom mode, fusing a video image of a first exposure frame processed by using the super-resolution algorithm and a video image of a second exposure frame not processed by using the super-resolution algorithm, to obtain a fused video; and in the second zoom mode, fusing the video image of a first exposure frame and the video image of a second exposure frame, to obtain a fused video.

This application provides an image processing method and an electronic device, and relates to the field of image application technologies. In a scenario in which an electronic device starts a plurality of cameras for photographing, details of images or videos captured by the plurality of cameras can be enriched, to improve photographing effect of the electronic device. In the method, an electronic device may determine a target zoom ratio in response to a zoom operation input by a user, and start a second camera; and when the target zoom ratio is greater than or equal to a first preset value and less than or equal to a second preset value, both the first camera and the second camera capture image frames through overlapping exposure, and then fusion is performed on the image frames captured by the first camera and the second camera to generate a preview image.

Image processing method and electronic device

Embodiments of this application relate to the technical field of video shooting and provide a video processing method and apparatus, an electronic device, and a storage medium. The video processing method includes: in a first night mode or in a second night mode, obtaining a video shot through a camera lens; in the first night mode, processing a video image of a first exposure frame, where processing is used for reducing noise and increasing a luminance; in the first night mode, fusing a video image of a first exposure frame processed and the video image of a second exposure frame not processed, to obtain a fused video; and in the second night mode, fusing the video image of a first exposure frame and the video image of a second exposure frame, to obtain a fused video.

A photographing method and an electronic device. The photographing method includes: receiving, by the electronic device, a first operation for triggering the electronic device to enter a large aperture mode; obtaining, by the electronic device, a distance value between the electronic device and a photographed target object in response to the first operation; enabling, by the electronic device in a case that a distance value does not exceed a first distance threshold, a first camera and a second camera to acquire the image of the target object; enabling, by the electronic device in a case that the distance value exceeds the first distance threshold, the first camera and a third camera to acquire the image of the target object; and displaying, by the electronic device, a preview image including the target object.

Embodiments of this application provide a photographing method, an electronic device, and a storage medium, relating to the field of optical imaging technologies. The method includes: running, by the electronic device, a camera application; determining that light in a photographing scene is flickering light; acquiring an image in a first exposure manner, where the first exposure manner indicates that the electronic device performs exposures with a first exposure duration and a second exposure duration alternately; in response to a trigger to a capture button, acquiring, by the electronic device, at least one first image and at least one second image in the first exposure manner; and generating a captured image based on the first image and the second image, and displaying the captured image.

Photographing method, electronic device, and storage medium

In a multi-channel video mode, an electronic device may separately display a plurality of images from different cameras in a plurality of areas of a viewfinder frame. An image from one camera is displayed in one area, and a user operation such as a leftward sliding operation or a rightward sliding operation of a user in an area may be detected, to change framing presented by a corresponding camera in the area, without changing framing of another camera in a corresponding area. In this way, during multi-channel video recording, the user can separately adjust framing presented by each working camera in a preview frame, so that framing of each working camera in the preview frame does not affect each other, to avoid a problem that a change of framing of a working camera in the preview frame causes a change of framing of another working camera in the preview frame.

Framing method for multi-channel video recording, graphical user interface, and electronic device

A photographing method applied to an electronic device includes: when a camera of the electronic device is started to perform photographing, the electronic device displays a first viewfinder frame, and displays a first preview picture. When a zoom magnification used by the electronic device increases to be greater than a preset zoom magnification, the electronic device displays the first viewfinder frame and a second viewfinder frame. The first viewfinder frame displays a second preview picture, and the second viewfinder frame displays a third preview picture, and a viewfinder range of the camera corresponding to the third preview picture is greater than a viewfinder range of the camera corresponding to the second preview picture.

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Hantao Cui